doc: fix wrong example

AlejandroFernandezLuces · web-flow · commit 64d0a3d057d5 · 2024-05-28T15:16:16.000+02:00
diff --git a/doc/source/user_guide/index.rst b/doc/source/user_guide/index.rst
@@ -37,7 +37,7 @@ use it to visualize a simple PyVista mesh:
     pl.plot(mesh)
 
     # Show the plotter
-    pl.add()
+    pl.show()
 
 
 Use with PyAnsys custom objects
